emmerich



No. 6|3,4|2. Patented Nov. |,'|s9a.

R. F. EMMERICH & F. VUNDERLEHR.

. BRUNZING MACHINE.

(Application led Nov. 2%, 1897.) (No Model.)

4 Sheets-Shed I.

Patented Nov. I, |898. NDERLEHR.

Norm ,412.

R. F'. EMMERICH &. F. V0

BRONZING MACHINE. (Applictien med Nov. 24, 1897.)

4 Sheets-Sheet 2.

(No Model.)

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No. 6I3,4l2. Patented Nov. I, i898;A

R. F. EMMERICH. & F. VONDERLEHR. BRONZING MACHINE.

[Application filed Nov. 24, 1897.;

(No Model.)

4 Sheets-Sheet 4.

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UNITED STATES PATENT OFFICE.

RUDOLPH F. EMMERIOH AND FREDERICK VONDERLEHR, OF NEW YORK, N. Y.

BRONZlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 613,412, dated November 1, 1898. Application tiled November Z4., 1897. Serial NO- 659,693. (No model.)

To all whom, it may concern.-

Be it known that we, RUDOLPH F. EMMER- ICH and FREDERICK VONDERLEHR, of New York, in the county and State of New York, have invented a new and useful Improvement in Bronzing-Machines, of which the following is a speciiication.

This invention relates to certain improvements in bronZing-machines, the object being to improve the structure of the machine in a number of directions, so as to insure the bronzing of the paper or other material in an effective and complete. manner and at the same time prevent the waste of the bronze.

A practical embodiment of our invention is represented in the accompanying drawings, in which- A Figurel is a view of the right-hand side of the machine. Fig. 2 represents a vertical section from front to rear through the machine, looking toward the right-hand side of the same. Fig. 3 is a vertical section from side to side in the plane of the line 3 3 of Fig. 2. Fig. 4 is a side view of the upper portion of the machine, showing the means for driving the bronze-distributing rolls. Fig. 5 is a vertical section in the plane of the linev 5 5 of Fig. 4.. Fig. 6 is a top plan view of the said bronze-distributing rolls and their operating parts. Fig. 7 is a detail sectional view of a portion of the paper-carrying cylinder, showing the gripper open and the paper-releasing pins forced outwardly to positively remove the advance edge of the paper. Fig. 8 is a vertical transverse section through the papercarrying cylinder, the section being taken in the reverse direction to the section shown in Fig.2. Fig.,9isalongitudinalsectionthrough the cylinder and its adjacent parts in the plane of the line 9 9 of Fig. 8. Fig. 10 represents an enlarged detail vertical section through one of the bronZing-pads. Fig. 11 is an inverted plan of the pad to indicate clearly its shape. Fig. 12 is a top plan View of the pads and their driving mechanism, and Fig. 13 is a vertical section through the same in the plane of the line 13 13 of Fig. 12.

A A represent the side frames of the machine, in which is journaled a revolving cylinder B. A feed board or table O is mounted upon forward extensions of the side frames A A', with its rear edge resting in close proximity to the cylinder B, near its top. This feed-table is adapted to support the sheets of paper or other material which it is intended to treat with the bronzi-ng process.

The main drive-shaft (denoted by D) is journaled in the side frames A A and is provided with a suitable driving-pulley d, exterior to the side frame A. The drive-shaft D is provided with a spurpinion d', which intermeshes with a spur-gear b' upon the shaft b of the rotary cylinder B, whereby the rotation of the shaft will cause the rotation of the said cylinder.

The cylinder B is provided with a longitudinal trough or recess b2, within which is mounted the paper gripping mechanism. This paper-gripping mechanism consists of the following parts: A rock-shaft E is located within the trough b2 and is mounted in the ends of the cylinder B. Upon this rock-shaft E are secured a number of outwardly-extending arms e, in the present instance three are shown,) to the free ends of which arms is attached a gripper-plate c', one edge of the said gripper-plate being normally held in engagement with a suitable seat b3 upon the periphery of the cylinder B along one of the edges of the trough b2. The gripper-plate e is held normally closed by means of a spring-actuated bar e2, which engages a suitable arm eql upon the rock-shaft E exterior to one end of the cylinder B. The arm e3 of the shaft E is further provided with an inclined cani e4, which is adapted to engage a pin c5 upon the side frame A as the cylinder is rot-ated, whereby the gripper is positively opened against tension of the spring-arm e2 for permitting the gripper to receive the advance edge of the paper as it is fed from the board O. A stud e6 is secured to the side frame A at a point in position to be engaged by the said cam c4, carried by the gripper, for-again opening the gripper at the proper time to permit the sheet to be discharged. The forward edge of the sheet is positively forced away from its seat b3 when it is desired to discharge the sheet by the following means: A rockshaft F is mounted in the ends of the cylinder B and is located within the trough b2. This rock-shaft is provided with a number of arms j', the free ends of which engage suitable pins f', which pass through the seat b3 IOO and as the shaft Fis rocked are caused to project a short distance beyond the face of the said seat. This shaft F is provided with a spring f2 for normally holding the pins beneath the face of the seat b3, and it is further provided with an arm f3, which projects through the end of the cylinder B adjacent to the side frame A and is adapted to be engaged by a cam-platef4 upon the side frame A as the cylinder is rotated. This cam-plate f4 is located in such a position as to cause the pinsf to be forced through the seat b3, upon which the edge of the paper rests, after the gripper has been opened by its stud e,

The bronze distributing mechanism is mounted at the top of the machine between the two side frames A A', at a point above the cylinder and adjacent to the feed-table C. This bronze-distributing mechanism consists of the following parts: The hopper for containing the powdered bronze is denoted by G, and it is provided with a hopper-shaped bottom g. As the bronze leaves the hopper G it is received upon the face of a roll g', which in turn deposits it upon the face of a second roll g2, the face of which is adapted to rest upon the face of the sheet of paper which is being drawn thereunder by the gripper of the cylinder B. These rollers g g2 are provided with any suitable surface* such, forinstance, as fur, plush, or the likeand the roll g2 is mounted in a pair of swinging frames 1I, the pivot of the said frames being the shaft g3 of the roll g. The shaft g3 is provided with a suitable pulley g, which is driven by a belt g5, running to a pulley g upon the shaft Z) of the cylinder B. The belt g5 is crossed, so as to cause the shaft g3 to rotate in the opposite direction from the shaft b. The rolls g g2 are caused to rotate in the same direction by causing a spur-gear gT, carried by the shaft g3, to mesh with an intermediate spur gear g8, which in turn meshes with a gear gf on the shaft of the roll g2. These rolls g g2are caused to rotate only when the roller g2 is lowered onto the surface of the paper for distributing bronze thereon by means of a clutch I, the arm i of which is secured to one of the rocking frames l-I, the pivot of the clutch being intermediate the said arm 1', whereby the raising of the frame H will slip the clutch and stop the rotation of the said rolls.

The length of time which the roller g2 is permitted to rest upon the paper is determined by a cam 7L, carried by the shaft b of the cylinder B, which cam engages one end of an operating-rod 7L', the opposite end of which is secured to the free end of one of the rocking frames H. The cam 7L may be made adjustable to increase ordiminish the length of time which the roll g/ rests upon the paper, as may be desired. The front wall gw of the hopper G may be adjusted up and down by suitable screws g for accurately adjusting the amount of bronze which may be distributed onto the face of the roll g'.

The buiing or bronzing mechanism proper consists of the following parts: Arotaryshaft J extends through the machine and is mounted in end bearings j j of a longitudinal reciprocating carriage jz, mounted in the side frames A A, one end of the said shaft being provided with a suitable drive-pulley j, which is driven by a belt f', leading from a pulley 7c of an intermediate shaft K, which passes through the machine at a point below the main drive-shaft D and is journaled in the side frames A A. This shaft K is provided with a pinion k', which meshes with a spurgear d2 on the main drive-shaft D The shaft J and its carriage are positively reciprocated j longitudinally as the shaftis rotated by means.y of a worm j, which meshes with a worm'l wheel j, which worm -wheel has secured thereto the free end of a link j?, the other end of the said link being permanently pivoted to the side frame A.

The rotary bronzing-pads are denoted by js, the said pads being arranged in pairs, as shown, the number of pairs varying to suit the different machines. Each of these pads is provided with an upwardly-extended stem jg and the pad made yielding by means of a spring jm, interposed between the back of the' pad proper and the bottom of the said stem. The back j of the pad js is provided with an upwardly-extended stud jl?, which enters the stem j, and the pad is further provided with a pair of guide-screwsj13, which pass through a laterally-extended I'langej14 of the stem j and serve to guide the pad in its yielding movement. The face of the pad is of felt, fur, or other suitable material, the shape of the said pad being of the general form of a double wedge, thewidest portion of the pad being at its ends and its narrowest portion at its middle. These pads js are arranged in pairs geared together, as shown at jljl, one of each set of gears being engaged by a worm 7'17 on the shaft J. Each pair of pads is arranged with the pads at substantially right angles to each other, so that as the pads are rotated their ends will overlap each other, thereby insuring au even polishing of the bronze upon the surface of the sheet being treated.

The means for removing the superfluous bronze from the sheet after it has passed over the bronzing-pads is as follows: A roller L has its shaft Z mounted in suitable adjustable bearings l" in the side frames A A', so that the said roller may be adjusted toward the surface of the cylinder B. The roller L is caused to rot-ate in the same direction as the cylinder B by a suitable pulley Z2, having a belt Z3 engaged with a pulley k2 on the shaft K, hereinbefore referred to. This roll L is faced with some suitable material and is driven at a high rate of speed.

A casing is formed at the back of the machine, the top wall of the casing being denoted by M and its back wall by m. A partition m extends from the top wall M of the casing ICO IIO

downwardly between the bronzing mechanism proper and the roll L, thereby forming separate compartments for thesaid bronzing mechanism and the roll. A second partition fm2 extends inwardly from the back wall m of the casing to a point adjacent to the periphery of the roller B, the said partition being located a short distance beneath the roll L. This partition 'm2 is provided with a longitudinally-reciprocating sieve N, to be hereinafter more fully described.

An adjustable scraper O is hinged at it bottom in suitable lugs o, uprising from the partition rm2,the upper edge of the said scraper being adjusted to barely engage the face of the roll L for removing from the roll the superiiuous bronze which the roll removes from the paper. This scraper O is provided with a link o', connecting it with the shaft Z of the roller L,whereby as the roll L is adjusted the scraper O will also be adjusted therewith. The bronze which is removed from the sheet by the roll L is permitted to fall into the sieve N. The sieve N is reciprocated longitudinally for shifting the bronze by means of a rocking lever or shaker pivoted at n to the side frame A, one end n of the said lever being connected to the end of the sieve N and its other end n2 entering a cam-groove p2 in a rotary cam p', carried by the shaft p of the delivery-roll P. The shaft p of the said delivery-roll is rotated by means of a pinion p3, which meshes with the spur-wheel b of the cylinder B.

A hopper Q is located beneath the sieve N in position to receive the bronze therefrom, and in the bottom of the said hopper is located an endless conveyer q, which 'conveys bronze from the bottom of the hopper into a suitable drawer or receptacle qat the exterior of the side frame A', where the said bronze maybe removed for further use. The conveyer q is rotated by means of a pulley q2 on its shaft, which pulley is engaged by a belt Q3, driven by a pulley g4 on the cylinder-shaft b.

The delivery-roll P, hereinabove referred to, is mounted with its face in close proximity to the periphery of the cylinder B, the purpose of the said roll being to deliver the paper from the cylinder after the gripper' has released the forward edge of the sheet.

The drawing-rolls are denoted by R R', the said rolls being rotated by means of a gear p4, which meshes with an intermediate gear r, which in turn meshes with a gear r' on the roller R, the gear r in turn meshing with a gear r2, carried by the roller R'. These drawing-rollers R R' lead the sheets to a suitable ily-board S, where they may be removed at pleasure.

The means for positively insuring the removal of the sheet from the cylinder and guiding it from the delivery-roll P to the drawingrolls R R is as follows: A pair of rigid cross braces or bars T U extend between the side frames A A' beneath the cylinder B. A plurality of strippers t are clamped along the bar T, with their free edges t in engagement with the periphery of the cylinder B. Each of these strippers is provided with a downwardly-extended lip t2'. Upon the cross-bar U are secured a plurality of guides u, corresponding to the strippers t, the upwardly-extended arm u' overlapping the lip t2 of its corresponding stripper and the downwardly-extended arm u2 extending into close proximity to the meeting faces of the drawing-rolls R R', whereby the sheet as it isstripped from the cylinder B is guided directly into engagement with the said drawing-rolls. The stripper t is made adjustable to take up the wear upon its end t by means of a set-screw t3. The guide uis also adjustably clamped in position by means of a set-screw us. It will be seen that as the stripper is adjusted to compensate for wear because of its frictional engagement with the cylinder B it will not in any way interfere with the guide u. Furthermore, it will be seen that the said strippers may be renewed at pleasure without having also to renew the guides. The free edge of the gripper-plate e is provided with a series of slots e7 for permitting the strippers t to pass through the said gripperplate e when the gripper is opened for releasing the sheet.

The operation of the machine is as follows: The sheet of paper or other material to be bronzed is fed from the table C to the gripper on the cylinder B, and after the gripper hasy engaged the advance edge of the paper of the sheet 'the said sheet is drawn first beneath the bronze-distributing device. it is passed beneath the bufing or bronzing pads. periiuous-bronze-removing roll L, and from thence is led to the deliveryroll P and the' sheet-removing mechanism to the fly-board S. By this mechanism the sheet is evenly and economically bronzed and the superfluous bronze, which falls into the sieve N, is sifted to remove all extraneous or foreign matter therefrom, the sifted bronze being in condition for being again used bythe bronze-distributing mechanism.

Il is evident that slight changes might be resorted to in the form and arrangement of the several parts Without departing from the spirit and scope of your invention. Hence we do not wish to limit ourselves strictly to the structure herein set forth; but

1. In a bronZing-machine, the combination with a carrier for the sheet to be bronzed, of a bronze-distributing device comprising a hopper for containing the bronze, a roll for receiving the bronze from the hopper, a second roll for receiving the bronze from the face of the first-named roll, a swinging frame in which the said second roll is mounted to rotate and means under the control ofthe movement of the carrier for simultaneously swinging the said second roll bodily away From there The sheet is then engaged bythe su- IOO IIO

from its contact with the face of the carrier and stopping the rotary movement of the rolls, substantially as set forth.

2. In a bronzing-machine, the combination with a sheet-carrier, of a bronzing mechanism located in position to engage the sheet, the said bronzing mechanism comprising a plurality of bronzing-pads and means for simultaneously rotating the pads and reciproeating them in a right line, substantially as set fort-h.

3. In a bronzing-machine, the combination with the sheet-carrier, of a bronzing mechanism located in position to engage the sheet, the said bronzing mechanism comprisingr a carriage, a plurality of bronzing-pads mounted in the carriage and means for simultaneously rotating the pads and reciprocating the pad-carrying carriage in a right line, substantially as set forth.

4. In abronzing-machine the combination with the sheet-carrier, of a bronzing mechanism located in position to engage the sheet, the said bronzing mechanism comprising a carriage, elongated pads carried by the carriage, the said pads being arranged in pairs with their longitudinal axes at substantially right angles to each other, each pair being arranged so that the pads will overlap each other as they are rotated and means for rotating the pads, substantially as set forth.

5. A pad for bronzing-machines of greater width at its opposite ends than at its middle portion.

6. In a bronzing-machine, the combination with the sheet-carrier, of a bronzing mechanism comprising a carriage,pads carried by the carriage, a shaft mounted to rotate in the carriage and geared to the said pads for rotating them, means for rotating the shaft and means engaging the shaft for causing it and thereby the carriage to reciprocate as the shaft is rotated, substantially as set forth.

7. In a bronzing-machine, the combination with the sheet-carrier,of a superfluo us-bronze removing roll mounted in position to engage the face of the carrier, ahinged scraper having its free edge connected with the roll-support and means for adjusting the roll toward and away from the face of the carrier, substantially as set forth.

8. In a bronzing-machine, the combination with the sheet-carrier,of a superfluous-bronzeremoving roll mounted in position to engage the face of the carrier, a sieve for receiving the bronze from the said roll and means under the control of the movement of the carrier for reciprocating the sieve, substantially as set forth.

9. In a bronzing-machine, the combination with a sheet-carrier, of a superfiuous-bronzeremoving roll mounted in position to engage the face of the carrier, a sieve for receiving the bronze from the said roll, means for reciprocatng the sieve, a hopper for receiving the sifted bronze, a suit-able receptacle and a conveyer for carrying the sifted bronze from the said hopper to the said receptacle, substantially as set forth.

lO. In a bronZing-machine, the eombination with a sheet-carrier and drawing-rolls, of means for positively removing the sheet from the carrier and directing it into engagement with the rolls, comprising a pair of cross-bars, a stripper adjustably mounted on one of the said bars, with its edge in engagement with the face of the carrier, the said stripper being provided with a downwardlyextended lip, and a guide mounted on the other cross-bar, the said guide having an upper arm arranged to overlap the said lip and a lower arm extending into close proximity to the meeting faces of the drawing-rolls, substantially as set forth.

RUDOLPH F. EMMERICH. FREDERICK VONDERLEHR.

IVitnesses:

FREDK. HAYNES, C. S. SUNDGREN. 

